GQM1875C2E150JB12 datasheet(2/27 Pages) MURATA

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Rated Voltage

Shown in Rated value.

The rated voltage is defined as the maximum voltage

which may be applied continuously to the capacitor.

When AC voltage is superimposed on DC voltage,

P-P or VO-P, whichever is larger, should be maintained

within the rated voltage range.

Appearance

No defects or abnormalities.

Visual inspection.

Dimension

Within the specified dimensions.

Using Measuring instrument of dimension.

Voltage proof

No defects or abnormalities.

Measurement Point

: Between the terminations

Test Voltage

: 250% of the rated voltage

Applied Time

: 1s to 5 s

Charge/discharge current : 50mA max.

Insulation Resistance(I.R.)

More than 10,000MΩ

Measurement Point 　　 : Between the terminations

Measurement Voltage :

DC Rated Voltage

Charging Time

: 2 min

Charge/discharge current : 50mA max.

Measurement Temperature : Room Temperature

Capacitance

Shown in Rated value.

Measurement Temperature : Room Temperature

30pF and over

: Q≧1400

30pF and below : Q≧800+20C

C:Nominal Capacitance(pF)

Temperature Characteristics

Nominal values of the temperature coefficient is shown in

The capacitance change should be measured after 5 min

of Capacitance

Rated value.

at each specified temp. stage.

But,the Capacitance Change under 20℃/25℃ is shown in Table A.

Capacitance value as a reference is the value in step 3.

Capacitance Drift

The capacitance drift is calculated by dividing the differences

Within +/-0.2% or +/-0.05pF

between the maximum and minimum measured values in the

(Whichever is larger.)

step 1,3 and 5 by the cap. value in step 3.

Adhesive Strength

No removal of the terminations or other defect

Solder the capacitor on the test substrate shown in Fig.3.

of Termination

should occur.

Holding Time

: 10+/-1s

Applied Direction : In parallel with the test substrate and vertical with

the capacitor side.

10 Vibration

Appearance

No defects or abnormalities.

Solder the capacitor on the test substrate shown in Fig.3.

Capacitance

Within the specified initial value.

Kind of Vibration

A simple harmonic motion

10Hz to 55Hz to 10Hz (1min)

Within the specified initial value.

Total amplitude

: 1.5mm

This motion should be applied for a period of 2h in each 3 mutually

perpendicular directions(total of 6h).

11 Substrate

Appearance

No defects or abnormalities.

Solder the capacitor on the test substrate shown in Fig.1.

Bending test

Capacitance

Within +/-5% or +/-0.5pF

Pressurization method : Shown in Fig.2

Change

(Whichever is larger)

Flexure　

　　　: 1mm

Holding Time

5+/-1s

Soldering Method

: Reflow soldering

12 Solderability

95% of the terminations is to be soldered evenly and continuously.

Test Method

Solder bath method

Flux

Solution of rosin ethanol 25(mass)%

Preheat

: 80℃ to 120℃ for 10s to 30s

Solder

: Sn-3.0Ag-0.5Cu

Solder Temp.

: 245+/-5℃

Immersion time

: 2+/-0.5s

■ Specifications and Test Methods

Item

Specification

Test Method

(Ref. Standard:JIS C 5101, IEC60384）

Capacitance

Frequency

Voltage

C≦1000pF

1.0+/-0.1MHz

0.5 to 5.0Vrms

Step

Temperature(

C)

Reference Temp.+/-2

Min. Operating Temp.+/-3

Reference Temp.+/-2

Max. Operating Temp.+/-3

Reference Temp.+/-2

Type

Applied Force(N)

GQM18

GQM21

JEMCNS-0022E

GQM1875C2E150JB12 Datasheet(PDF) 2 Page - Murata Manufacturing Co., Ltd.

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